Lydia Koch
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 1:29.22 | 2024-01-27 | 2023 Bridget Vache Memorial MAC Fall Frenzy | |
| 50 Freestyle | SCY | 28.07 | AA+1.08s to AAA | 2026-03-05 | 2025 Speedo MD LSC Senior Champs |
| 100 Freestyle | SCY | 1:00.25 | AA+1.56s to AAA | 2026-03-05 | 2025 Speedo MD LSC Senior Champs |
| 200 Freestyle | SCY | 2:06.64 | AAA+4.15s to AAAA | 2026-03-05 | 2025 Speedo MD LSC Senior Champs |
| 500 Freestyle | SCY | 6:13.45 | A+14.26s to AA | 2026-01-03 | 2026 LBA IMX Distance Challenge |
| 25 Backstroke | SCY | 46.16 | 2024-01-27 | 2023 Bridget Vache Memorial MAC Fall Frenzy | |
| 50 Backstroke | SCY | 33.12 | A+1.23s to AA | 2026-01-10 | 2026 NBAC New Year's Kick-Off Meet venue |
| 100 Backstroke | SCY | 1:10.97 | A+1.38s to AA | 2026-02-06 | 2026 Last Chance Qualifying Meet |
| 25 Breaststroke | SCY | 1:17.90 | 2024-01-27 | 2023 Bridget Vache Memorial MAC Fall Frenzy | |
| 50 Breaststroke | SCY | 37.53 | A+1.34s to AA | 2026-02-06 | 2026 Last Chance Qualifying Meet |
| 100 Breaststroke | SCY | 1:38.12 | +1.63s to B | 2024-12-14 | 2024 Blizzard Buster Meet venue |
| 25 Butterfly | SCY | 1:32.23 | 2024-01-27 | 2023 Bridget Vache Memorial MAC Fall Frenzy | |
| 50 Butterfly | SCY | 30.25 | AA+1.16s to AAA | 2026-03-05 | 2025 Speedo MD LSC Senior Champs |
| 100 Butterfly | SCY | 1:14.90 | BB+2.61s to A | 2026-01-10 | 2026 NBAC New Year's Kick-Off Meet venue |
| 100 Individual Medley | SCY | 1:09.47 | AA+2.48s to AAA | 2026-03-05 | 2025 Speedo MD LSC Senior Champs |
| 200 Individual Medley | SCY | 2:29.69 | AA+5.10s to AAA | 2026-03-05 | 2025 Speedo MD LSC Senior Champs |
| 50 Freestyle | LCM | 31.06 | AA+0.37s to AAA | 2026-04-24 | 2026 ASC Spring Long Course Meet |
| 100 Freestyle | LCM | 1:09.29 | AA+2.00s to AAA | 2026-04-24 | 2026 ASC Spring Long Course Meet |
| 200 Freestyle | LCM | 2:25.84 | AAA+5.75s to AAAA | 2026-04-24 | 2026 ASC Spring Long Course Meet |
| 400 Freestyle | LCM | 5:19.15 | AA+10.46s to AAA | 2026-05-15 | 2026 Abby Seeger Memorial Invitational |
| 50 Backstroke | LCM | 37.88 | A+0.99s to AA | 2026-04-24 | 2026 ASC Spring Long Course Meet |
| 100 Backstroke | LCM | 1:22.73 | A+1.94s to AA | 2026-05-01 | 2026 John C. Clegg Memorial Long Course Meet |
| 50 Breaststroke | LCM | 43.29 | BB+0.60s to A | 2026-05-01 | 2026 John C. Clegg Memorial Long Course Meet |
| 100 Breaststroke | LCM | 1:34.11 | BB+0.12s to A | 2026-05-01 | 2026 John C. Clegg Memorial Long Course Meet |
| 50 Butterfly | LCM | 34.29 | AA+1.40s to AAA | 2026-05-15 | 2026 Abby Seeger Memorial Invitational |
| 100 Butterfly | LCM | 1:21.34 | A+2.55s to AA | 2026-04-24 | 2026 ASC Spring Long Course Meet |
| 200 Individual Medley | LCM | 3:23.75 | B+7.96s to BB | 2024-07-05 | 2024 Retriever Classic |
| 400 Individual Medley | LCM | 6:09.93 | A+1.24s to AA | 2026-05-01 | 2026 John C. Clegg Memorial Long Course Meet venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.06 | flat | 200 Free Relay | 2026-03-07 | 2026 MD LSC 14 & U Championships |
| 100 Freestyle | SCY | 59.36 | flying | 400 Medley Relay (leg 4) | 2026-03-06 | 2026 MD LSC 14 & U Championships |
| 50 Freestyle | LCM | 36.33 | flat | 200 Free Relay | 2024-08-01 | 2024 MD LSC LC Championships |
| 100 Freestyle | LCM | 1:20.28 | flat | 400 Free Relay | 2024-07-08 | 2024 Sandbox Invitational |
| 100 Freestyle | LCM | 1:14.10 | flying | 400 Free Relay (leg 2) | 2025-07-31 | 2025 MD LSC LC Championships |
| 50 Breaststroke | LCM | 53.40 | flying | 200 Medley Relay (leg 2) | 2024-08-02 | 2024 MD LSC LC Championships |
| 100 Breaststroke | LCM | 1:57.42 | flying | 400 Medley Relay (leg 2) | 2024-07-07 | 2024 Sandbox Invitational |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
IMX / IMR
IMX 11-12 · LCM
3251 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:19.15 | 787 |
| 100 BK LCM | 1:22.73 | 683 |
| 100 BR LCM | 1:34.11 | 656 |
| 100 FL LCM | 1:21.34 | 659 |
| 200 IM LCM | 3:23.75 | 466 |
IMR 11-12 · SCY
3790 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:06.64 | 891 |
| 50 BK SCY | 33.12 | 677 |
| 50 BR SCY | 37.53 | 679 |
| 50 FL SCY | 30.25 | 766 |
| 100 IM SCY | 1:09.47 | 777 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
500 Freestyle SCY 6:13.45
Front half 185.51s · back half 187.94s
100 Breaststroke SCY 1:38.12
Front half 46.95s · back half 51.17s
100 Butterfly SCY 1:14.90
Front half 34.86s · back half 40.04s
400 Individual Medley LCM 6:09.93
Front half 181.62s · back half 188.31s
Reaction time
From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.
Progression
Faster times are higher. One card per event, all courses & history.